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The voice scares me. Is he going to jumpscare me? :(

Hi, it is not a scary game, even is the mood is a bit creepy. So dont worries, no jumpscare in sight.

Phew! You didn't lie to me!

I found the secret area! Good work! Have you taken a look at Antichamber? It's a similar game in concept, and has many branching paths and secret areas

Glad you liked the game. I like Antichamber a lot, and the way you have to slowly find your way and understand the mechanics is verry good. 

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I reallly really really want to play this game but all that happens when I start playing is I look up and start spinning. I've had this problem before with other games and it either had to do with me needing to restart my computer or the engine. But I just restarted my computer and I played some other unity games and they worked fine. If I could get some help to play this Id really appreciate it. Ok I tried changing the inputs to prevent this but I only made it worse and there is no reset default controls so I just deleted the files and redownloaded them but the awful controls I put on there still persist. How is that even possible? where are these configurations being stored? Why are there 3 fire buttons why can I set the controls for the X and Y 4 different times then another 4 times for a secondary controller? Why isn't there a way I can disable a button input all together? 


Hi, I'm very sorry for those controls issues. Usually, it is caused by a gamepad, a joystick or some other device acting as one. You can try to unplug those. One player had an issue with an old 3D mouse driver, that he needed to uninstall to make it works. Another one unistalled  VJoy, which is a virtual controller software. 

To reset the custom inputs you may have entered, you have to delete them in the registery, To do it easily, you can use the following command line: reg delete "HKCU\Software\NuSan\Fragments of Euclid" /f

If you don't know how to enter a command line, you can also download the following file and execute it :

I hope you will be able to play. I should make a new version with an option to disable gamepad controls, as you are not the first to have issues with it.

I tried unplugging all my USB devices to no effect. Eventually I got the game to work by guess and checking the inputs. Although I was never able to disable a controller input I was able to over ride it with a controller that uses Xinput. Although I didn't have any devices plugged in I do think I have Vjoy drivers because when I use my GCNUSBFeeder (Gamecube controller driver) it registers the gamecube controllers as Vjoy devices. Im not sure the problem I was having is the Vjoy driver's fault or this game's. But I was able to twist the game's arm by setting up the most ridiculous control scheme, I've got all the primarary and secondary inputs to match where they could then the xbox controller inputs the same as the Playsations... then any input I wanted to disable I just set to O... its a disaster. But I got it to work. I haven't finished the demo yet but from what I have seen I absolutely love it! I love spacial reasoning games and Escher is my favorite artist. Portal, Antichamber, TRI: Of Friendship and Madness, Puzzle Dimension, are all great but Back to Bed, Monument Valley/Evo Explores, and Echo chrome go one step further in the Escher direction but with this game and Manifold Garden coming out soon I think I will have the Escher exploratory game I've always wanted. Oh then there is that one level in Dream that I have a feeling you might have played because it is probably implemented the same way. I remember playing that level and wishing there was a whole game that was like that and now there is! Thank you so much for making this masterpiece. I will definitely purchase the final version I love it so much. That being said, I found the filters very annoying. Thanks for including a thing to change that setting but even with fixed noise I don't think it is a good artistic choice. I'd rather just turn it off entirely. If you wanted to include that handdrawn game feel I recommend applying it to the textures rather than the camera, but dont apply it uniformly use it more heavily on object that should be darker or out of focus. It would also be dope if you included curved surfaces that you can walk on to change gravity. I saw a halfpipe thing leading up a wall and I was like "Oh shit here we go this game is gunna be crazy!" then I just walked up to the wall without changing gravity. But other than that your level design is amazing both from a visual and puzzle perspective, keep up the good work!

I'm really glad you found a way to make it work, and I hope you will like the game. Thanks for the game you suggested, as I didn't know about Dream, Puzzle dimension or Back to bed. I should play them, they seems verry interesting. I'm looking forward for Manifold Garden, but also "Museum of Simulation Technologies" and I'm working on a sequel, and your remarks tell me that I should add more exploration phases, as there is not that much in the current game. Anyway, thanks for your feedback.

idk If I'd recommend dream. It would be a really great game if they finished it but it doesn't feel finished at all. I haven't finished the game yet but I don't think there is more game to finish. Either that or the puzzle I'm supposed to be solving isn't apparent at all and there have been some previous puzzles in the game that are so obscure it isn't fair and I had to look them up. So here is a video of the room I was referencing . It works just like your game. I do highly recommend playing puzzle dimension though I think you should use it as an inspiration for how you can play with gravity. Although I haven't finished the demo yet from what I have played (first 2 levels) you have a nice ratio of puzzle to exploration. I like how there are totally optional paths that don't have puzzles that you can just get lost in if you want. I'm probably an anomaly when it comes to this but if the game were just a giant maze with no real goal other than to explore it I would be totally fine with just being lost in an Escher painting for a whole day with no sense of direction. But I think most people would think that is a mean thing to do game design wise. I haven't heard of "Museum of simulation technologies" but I played a game with the same exact game mechanic that took a much more simplistic art direction using solid shapes and colors, for all I know it was the same game in its very infancy. I couldn't find it but it was playable in browser. I haven't heard of depictura but it is a very unique premise and it looks like every ounce of potential is squeezed out of it. You said you are working on a sequel are you saying that you made depictura? in which case bravo looks amazing but I cant find how to buy it and if you are working on a sequel I'd recommend making sure people can buy the original first

Yeah, it seems like Dream is a bit too obscure, but the Escher level seems fun, maybe a bit too exploratory. I resisted to put a way to directly change walls like in Puzzle Dimension, to really put the portals to good use. But it's true that seeing the gravity change directly can be more visually strong, so I will keep that in mind. When I was talking about a sequel, it was a sequel to what is actually Fragments of Euclid, continuing the story and adding more interesting ideas around space. DePictura is not done yet and is made by @YannickGero, but I played a bit at an Indiecade and it was really promising. I know of a game similar to "museum of simulation technologies", it's from a Ludum Dare : and it was a fun concept. I also played Disoriented on steam, which is nice but a bit too simple. If you like wandering around, NaissanceE is great, but less about mindbending spaces. Antichamber is still the best example of that, even if it's more about puzzles than exploring impressive spaces.

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Yes this was totally mind bending and I have updated my gameplay of this.  Its a lot harder than it looks but still fun.  5/5.

YouTube: Fellowplayer

This game is so fun to play and mind bending. Please continue it! :)

This is the most mind-bending game I have ever played! 10/10! The Art style is amazing, the gameplay is fun and from the first puzzle, I knew I was into something great!

One of the five games selected for this video. Enjoy ! 



I would like to apply the "free price" for my own website but after many research, I definitly don't find a appropriate and available system or plugin.

I really like your "free price" interface and I wonder if there is a plugin that you could advise me?

I hope my request is not too rude.

Thanks and sorry for my poor English...!


Hi, the selling interface is not my own but the one from If you want to sell a game, or even books, comics ... you can publish it on, and you can then get a code to embed it on your web page, so people can buy directly from your website, using system. You can checkout this page for more informations :

Ok, thanks a lot for youre answer ^^

Woooah. This game was amazing!

At first I wasn't quite sure what I was doing but after a while I got a hang of it and it was so enjoyable. The audio was really good. The graphics looked really good and they were probably the reason I downloaded this. It reminded me a little bit of Portal too which also attracted me to it. 

I really liked the way there were 4 places to go to with their own sets of puzzles to go through. I was kind of weirded out at how we are literally a tentacle monster/ jellyfish but it was really neat how we weren't just a head or invisible and that we could actually see ourselves. I also found the transfering from one puzzle to another really clever, even though I didn't quite understand what it was for at the start. 

I really do hope you make more puzzle games like these since this one was really enjoyable but I found it a little short for this type of game, 

Thank you for creating this wonderful game! I will be expecting more great games from you!

Thanks you for your kind comments, I'm glad you liked it. I work on a follow up to the game, and even if it's taking more time that I wanted to, I hope it will be as good.

Hey man, I remember playing a game that was very similar to this in a recent LudumDare jam. Is this an expanded version of a submission to, if I remember correctly, LD37?


Yes it is ! It's based on the same ideas than but with complete new puzzles and spaces to explore.

The original Ludum Dare submission is here :

A end to a puzzling adventure!

Wow! Really awesome game concept here. Played through the whole game and enjoyed it very much.

Fantastic I really LIKE this game, I want to play more games like this

Super glad i have just finished this game! after 4 whole episodes! the hard work paid off! haha, very cool game, was super happy to play this, good job on creating this!

I had to create an account to say how good this game is. It's incredible! I love the design, audio, puzzles. Even that getting to the puzzle room is puzzle itself. Great work!


  • When you have controller plugged it you can not controll the game with keyboard/mouse. If you are lucky and start the game you just spin and walk left. I have had installed VJoy and that kept breaking the game until I uninstalled it.
  • In gravity bridge I found that randomly when you pick up the first box the second one disappears.

What would I change:

  • The ending. It's as mindblowing as the rest of the game, but squid with a human head? It looks kinda stupid for my opinion.


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This game is absolutely wonderful. I really loved playing this game! I really hope you make more! Thank you for the game! I would really recommend this game, and I would also encourage other to pay a little as I have a couple bucks. It is a "name your own price" game, so this creator can create more like this, please don't be afraid, it's not like they are asking a whole bunch from you. Have a great day!

Please don't be afraid to like, subscribe, or watch more on my channel.

a piece of art ^_^ hope you like my video :)

Fantastic Puzzle game , The best i have played since portal !!

Now where are you ya damn laser?!

One hell of a genius trippy puzzle game! Awesome it's based on Escher's paintings. Mind blowing. Can't wait to upload the second part of my let's play!

Support this developer! They need to make more games like these!

Hope you like my let's play video, please help me grow and NUKE THAT SUBSCRIBE BUTTON HARDDdd!!

Thanks so much brovvv!

I really enjoyed the game. Very well made and well designed.

Here my playthrough:

I love M.C. Escher. Since I was a little boy I wanted to walk into his labyrinths. And there come the first level ; Wow. The dream come true. I was amazed.
But after 30 minutes on the game, I had a few things to reproach. I was not surrounded my the Escher Magic anymore.

The unique gameplay is only shown on Escher's level
Indeed after the first level the player face puzzles that are almost exactly the same as Portal ones, but with the non-euclidian gameplay. A cube, a button that open a door, doors that can "warp" you to an other side. A player that has played Portal already knows all the patterns about the great majority of the puzzles.
I think you should have drown your levels as simple drawings first, just trying to take up Escher's style, and not working on level design first.

The second thing that bothered me is a problem about level design. This game deals with labyrinths, and usually the direction the player must take is very unclear. Thus he attempts a way, but finish blocked and must restart the level from the beginning. This is not a cool game design, a player shall not be blamed for his curiosity and exploration.
Let's take the example of Portal, because it's the closest game. The levels are build so that you never have to restart a level, you can always "restart by yourself", going back to a point of the puzzle and re-create a cube if you have lost yours.

A last little thing, the font is not going very well with the voice. When I read it I feel the unfinished game. Maybe a font more holy, massive would be more appropriate.

Finally other than those things, great job. It will probably be one of my favourite games when all those troubles will be set.

Thank you for your remarks. Some of them I acknowledge and I want to address them in future releases or sequels. It's true that the latter parts of the game are more about solving puzzles and a lot less about interesting landscapes. Putting "companion" cubes on push plates may remind Portal a bit too much. I wanted the player to know immediately what he must do. But puzzles themselves are not at all the same than Portal (mechanics, solutions, ...). I hope that each of the 4 main puzzles can produce an epiphany for the player.

I do agree that exploring outside the main path is not very possible, and that you can get stuck in several puzzle, and being forced to reset. I didn't find simple solutions to avoid the player getting stuck, or loosing himself, or avoiding solving the puzzles. In the sequels, I will try to add more exploration level like the first room. I will also try to design puzzles with no fail state.

This game is realy cool, the graphic style is mysterious and the game is great. I need the second part !

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Seems to be a great game ;) But I can't play. When I start it, the camera look up and never stop to rotate around y-axis (and I just see the ceiling turn).

Got an idea about that problem ?

Hi, this is probably an issue with a controller plugged on your computer. You can try unplugging gamepads or anything that could act like one. One person had an issue with a old 3D mouse driver that was installed, and uninstalling it made it work. You can also try to change the input mapping in the window that appear before the game really launch.

Let me know if any of this worked, sorry for the inconvenience and I hope you will be able to play.

Being a squid is fun! Enjoy!

I got brain****ed while playing this game. It was the best brain**** I have ever had. Love it.

I got brain****ed while playing this game. It was the best brain**** I have ever had. Love it.

This game was so AMAZING!!

I'm looking forward to play the next chapter of this history ;)

Thank you so much for developping this game ! It's my favorite

oh my god this game is so so so fun!!!! It's not too challenging, but still really really great game, 100%, 5/5 plain ol' good.

I just finished this game and it was AMAZING. I really hope that a sequel is developed in the future bc I would love to play it. :)

Sorry for a newbie's question, but how on earth can you turn around? I have keyboard and keypad only and with the keys I can move or jump only, not turn.

The game is mainly playable using the mouse to turn the camera. You can also use a gamepad (the left stick). Sorry for the inconvenience. If you have a special reason for not being able to play with mouse or gamepad, let me know and I may make you a special version with full keyboard mapping.

It works! Somehow I managed to not get the touchpad to work but now it's all good. Thank you.

Nice ! I'm glad you made it work !

This was extremely awesome. I love the physics and I can't wait for the continuation of the story. I even have a suggestion if that's alright. You could use the redirection of lasers to activate doors instead of just buttons and cubes. :-)

Thank you for your kind words. I also think that redirecting lasers through portals could be a great idea !

Overall I found this quite brilliant. I'd love to see a sequel or full length game at some point.

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